Degree of a continuous mapping
= Degree of a continuous mapping
{title2=$\deg f$}
{wiki}
For a map $f:S^m\to S^m$, the degree is the integer by which $f_*$ multiplies a chosen generator of $H_m(S^m;\mathbb Z)$. It is invariant under <homotopy>.
= Degree of a continuous mapping
{title2=$\deg f$}
{wiki}
For a map $f:S^m\to S^m$, the degree is the integer by which $f_*$ multiplies a chosen generator of $H_m(S^m;\mathbb Z)$. It is invariant under <homotopy>.